castelli trail liner men Size:XS while offering a design that

while offering a design that accommodates the next generation of athletes

folds to fit into a pocket when you are not using it

The limited-edition jersey drops in June

Hand pockets with flexible waterproof zipper

castelli trail liner men Size:XS while offering a design thatThe light and simple liner under your baggies that emphasizes maximum breathability with Castelli's renowned KISS Air2 seat pad. Breathability, temperature control, and moisture management are key to keeping you comfortable on the bike. The Trail Liner is designed to provide these. Made from a super breathable mesh material throughout, which provides for maximum breathability and airflow to keep you cool and dry throughout your ride. For comfort at